Distributed vibration sensor with a lasing phase-sensitive OTDR.
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DOI: 10.1364/oe.476182
Abstract: The authors experimentally demonstrate the operation of a lasing phase-sensitive optical time-domain reflectometer (Φ-OTDR) based on random feedback from a sensing fiber. Here, the full output of the laser provides the sensing signal, in contrast… read more here.
Keywords: lasing phase; phase sensitive; vibration sensor; distributed vibration ... See more keywords